EP 4338155 A1 20240320 - ACTIVE NOISE REDUCTION HEADPHONES AND METHOD
Title (en)
ACTIVE NOISE REDUCTION HEADPHONES AND METHOD
Title (de)
KOPFHÖRER UND VERFAHREN ZUR AKTIVEN RAUSCHVERMINDERUNG
Title (fr)
CASQUE D'ÉCOUTE À RÉDUCTION ACTIVE DU BRUIT ET PROCÉDÉ
Publication
Application
Priority
EP 2021068023 W 20210630
Abstract (en)
[origin: WO2023274525A1] ANR headphones (100) for generating a sound signal comprise a loudspeaker (107), an external microphone (101) configured to detect an ambient noise signal, and an internal microphone (103) configured to detect a residual noise signal within an ear canal of the user. Moreover, the ANR headphones (100) comprise an acceleration sensor (105) configured to generate an acceleration signal indicative of accelerations experienced by the ANR headphones (100). A controller (120) of the ANR headphones (100) is configured to generate a loudspeaker signal based on a composite compensation signal, wherein the composite compensation signal is a combination of an ambient noise compensation signal based on the ambient noise signal, a residual noise compensation signal based on the residual noise signal and an acceleration compensation signal based on the acceleration signal. The ANR headphones (100) allow reducing the physical occlusion effect. Moreover, a method for operating the ANR headphones (100) is disclosed.
IPC 8 full level
G10K 11/178 (2006.01)
CPC (source: EP US)
G10K 11/17821 (2018.01 - EP); G10K 11/17853 (2018.01 - EP); G10K 11/17854 (2018.01 - US); G10K 11/17881 (2018.01 - EP); G10K 2210/1081 (2013.01 - EP US); G10K 2210/501 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2023274525 A1 20230105; CN 117461078 A 20240126; EP 4338155 A1 20240320; US 2024135913 A1 20240425
DOCDB simple family (application)
EP 2021068023 W 20210630; CN 202180098964 A 20210630; EP 21739069 A 20210630; US 202318400971 A 20231229